The Urban Dictionary T-Shirt

1. Originally when a speed dealer buys more speed to sell. (speed = an upper.)
(To re-cop.)
2. Recently crept into the mainstream meaning anything extended or renegotiated, like a contract or term of office

1. "I can't sell you an 8-ball until after i re-up."
2. "Shaquille O'Neal re-upped his contract with the Lakers."